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v3.24.3

Non-financial assets and liabilities (Details) - AUD ($) | 12 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023
Non-financial assets and liabilities [Abstract] |  |
Provision for finished goods |  |
Total leave provision | 265,952 | 237,328
Cash outflow for leases | $ (7,576) | $ (9,652)

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- Definition The amount of current provisions, including provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_l&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_CurrentProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Financing costs are defined as the interest and other costs incurred by the Company while borrowing funds. + References No definition available. + Details
Name: | imrn_CostOfFinance
Namespace Prefix: | imrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | imrn_NonfinancialAssetsAndLiabilitiesAbstract
Namespace Prefix: | imrn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Provision for finished goods. + References No definition available. + Details
Name: | imrn_ProvisionForFinishedGoods
Namespace Prefix: | imrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration